Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-20 | 280/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.8 (706) | 33.23 (844) | 5.43 (138) 19.5% |
| Width inches (mm) | 6.5 (165) | 11.02 (280) | 4.53 (115) 69.7% |
| Circum. inches (mm) | 87.32 (2217.96) | 104.39 (2651.5) | 17.07 (433.54) 19.5% |
| Sidewall Height inches (mm) | 3.9 (99) | 6.61 (168) | 2.72 (69) 69.7% |
| Revolutions per mile (km) | 725.6 (450.86) | 606.96 (377.14) | -118.64 (-73.72) -16.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.91 mph (38.48 km/h) |
| 25 mph (40.23 km/h) | 29.89 mph (48.1 km/h) |
| 30 mph (48.28 km/h) | 35.86 mph (57.72 km/h) |
| 35 mph (56.33 km/h) | 41.84 mph (67.34 km/h) |
| 40 mph (64.37 km/h) | 47.82 mph (76.96 km/h) |
| 45 mph (72.42 km/h) | 53.8 mph (86.58 km/h) |
| 50 mph (80.47 km/h) | 59.77 mph (96.2 km/h) |
| 55 mph (88.51 km/h) | 65.75 mph (105.82 km/h) |
| 60 mph (96.56 km/h) | 71.73 mph (115.44 km/h) |
| 65 mph (104.61 km/h) | 77.71 mph (125.05 km/h) |
| 70 mph (112.65 km/h) | 83.68 mph (134.67 km/h) |
| 75 mph (120.7 km/h) | 89.66 mph (144.29 km/h) |
| 80 mph (128.75 km/h) | 95.64 mph (153.91 km/h) |
| 85 mph (136.79 km/h) | 101.61 mph (163.53 km/h) |
| 90 mph (144.84 km/h) | 107.59 mph (173.15 km/h) |
| 95 mph (152.89 km/h) | 113.57 mph (182.77 km/h) |
| 100 mph (160.93 km/h) | 119.55 mph (192.39 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1545 | 1794 | 1932 | 2018 | 2110 | 2176 | 2248 | 2333 | 2452 | 2570 | 2701 | 2807 | 2997 | 3207 | 3372 | 3477 | 3536 | 3753 | 4055 | 4713 |
Better Fuel Economy Factory Ratios Increased Power
